77886025

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 116064000

約数和(自身を除く): 38177975

約数列:

[1, 5, 7, 25, 29, 35, 103, 145, 149, 175, 203, 515, 721, 725, 745, 1015, 1043, 2575, 2987, 3605, 3725, 4321, 5075, 5215, 14935, 15347, 18025, 20909, 21605, 26075, 30247, 74675, 76735, 104545, 107429, 108025, 151235, 383675, 445063, 522725, 537145, 756175, 2225315, 2685725, 3115441, 11126575, 15577205, 77886025]

約数ペア:

[(1, 77886025), (5, 15577205), (7, 11126575), (25, 3115441), (29, 2685725), (35, 2225315), (103, 756175), (145, 537145), (149, 522725), (175, 445063), (203, 383675), (515, 151235), (721, 108025), (725, 107429), (745, 104545), (1015, 76735), (1043, 74675), (2575, 30247), (2987, 26075), (3605, 21605), (3725, 20909), (4321, 18025), (5075, 15347), (5215, 14935)]